409227261693 has 8 divisors (see below), whose sum is σ = 545642256768. Its totient is φ = 272815220544.

The previous prime is 409227261649. The next prime is 409227261701. The reversal of 409227261693 is 396162722904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409227261693 - 2⁹ = 409227261181 is a prime.

It is a super-2 number, since 2×409227261693² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409227261593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392005 + ... + 985962.

It is an arithmetic number, because the mean of its divisors is an integer number (68205282096).

Almost surely, 2^409227261693 is an apocalyptic number.

It is an amenable number.

409227261693 is a deficient number, since it is larger than the sum of its proper divisors (136414995075).

409227261693 is a wasteful number, since it uses less digits than its factorization.

409227261693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476963.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 409227261693 in words is "four hundred nine billion, two hundred twenty-seven million, two hundred sixty-one thousand, six hundred ninety-three".